Grain-binder.



No. 690,!34. Patented Dec. 3|, I901. C CDLAHAN GRAIN BINDER.

(Applicafiion filed Oct. 1, 1901.)

(No Model.)

Whxwsses: QMXMU MW. (Ma/9M 1m: unnms PETERS 0o. worouwo WASHINGTON o r UNrrnn STATES Carton,

CHARLES COLAHAN, OF CHICAGO, ILLINOIS.

GRAIN-BINDER.

SPECIFICATION forming part of Letters Patent No. 690,134, dated December 1901- Applioation filed October 1,1901. Serial No. 77,187. (No model.)

T0 at whom it may concern:

Be it known that 1, CHARLES COLAI-IAN, a citizen of the United States, and a resident of Chicago, county of Cook, and State of Illinois, have invented certain new and useful Improvements in Grain-Binders, of which the following is a specification, reference being had to the accompanying drawings, forming a part thereof.

My invention has relation to grain-binders and to that part pertaining to the function of tying the knot in the band that secures the bundle, and more particularly to that form of knotter that stands in its normal position with its bill pointing outwardly as the bundle is discharged and the band placed around the succeeding bundle,

My invention has for its object the economizing of band material and removing much of the strain upon the twine during the compressing and binding operation and also to place the band closely around the bundle and provide slack cord for the formation of the loop, thus permitting the use of a small twine and consequent saving in expense, since twine now used is often much larger and heavier than is required to hold the bundle, as the strain upon the twine in forming the knot is usually quite severe in the ordinary knotters.

My present invention consists in improvements on my former patents, No. 425,565, dated April 15, 1890, and No. 476,519, dated June 7, 1892, and also patent No. 677,948, dated July 9, 1901, and is applicable to grainbinders of the modern form known as the Appleby type, having the vertical revolving knotter-shaft with horizontal looper and a vertically-vibrating pivoted jaw that stands over the breastplate at one'side of the slot near the angle between the longitudinal and oblique reaches of the open slot of the breastplate, through which the binder-arm passes in placing the cord around the bundle and over the tying-bill to the cord-holder and having a support or stop across said slot for the cord strands at the inner side of the knotter-jaw as the tying-bill stands with its jaws pointing outwardly in the direction of the oblique reach of the slot.

The invention relates first to the cordholder, which is secured to the lower end of a Vertical shaft provided with a pinion that is intermittently actuated by the tier-cam, similar to that shown in English Patents No. 10,212, dated August 10, 1886, and No. 9,992, dated July 16, 1887, and well known in modern binders. My improvement therein consists in mounting, as hereinafter specified in the claims, the upturned annular cordholding flanges upon separate curved arms secured to the hub that is keyed to the revolving shaft. The open space between these arms admits the escape of the loose fiber and pieces of the cord that are necessarily discharged from the cord-holder, thereby preventing it from bcingvclogged up, the cordcutting knives being also'secured to two of these arms. The exteriors of the cord-holding flanges are provided with vertical corrugations, and at the front base are horizontal grooves to prevent the cord from slipping down and hold it up as it is brought against the outer pressure-shoe in the usual wellknown manner. In my last-named former patent I provide a depression at the inner side of the knotter on the upper surface of the breastplate, and in my present invention I provide a convex raised boss at the outer edge of the depression beneath the knotter-jaw, which terminates in a rounded stop setting across the longitudinal reach of the cord-slot and holds the cord up to the knotter and prevents its escape therefrom until the knot is completed and being discharged with the outgoing bundle, the lower surface of the slot in the breast-plate lengthwise of the base of the boss being cut away obliquely in a line trend-.

ing to the outer or oblique reach of said slot and the boss having an upwardly-curved face from said base-line to its crown, the construction admitting the free outward movement of the band as the bundle is being discharged to strip the knot from the knotter that has completed its revolution while the strands of cord are detained by the stop. This convex raised boss is practically concentric with the axis of rotation of the knotter and isa little higher at the outer end to form the abovementioned rounded stop and iusu re the detention of the cord until the knife has severed the ends of the band and the vibrating jaw of the knotter has seized upon the same before it has slipped down toward the point of the knotter. This insures a perfect knot upon large bundles, where great strain upon the cord requires additional means to prevent the escape of'the cord from the knotter-jaw.

In the drawings, Figure 1 is a plan view showing the knotter and cord-holder at the moment when the band is around the bundle beneath the breastplate and the knotter has nearly completedits revolution, the knotterin shown.

jaw being open and in the act of seizing the ends of the cord as the knife approaches the same to sever the band, the earlier movements of the binder having placed the cord by means of the needle and partially revolved the knotter and cord-holder to the point here- Fig. 2 is also a plan view showing the same as the knife severs the cord and the knotter-jaw has closed upon the ends of the strand in the completion of the knot prior to its discharge in the continued movement of the parts in the usual well-known manner. Fig. 3 is a plan view in detail of the breastplate beneath the knotter, showing the depression and convex raised boss upon the breastplate at the outer edge of the depression. Fig. 4 is a vertical section of the same on lines 4 4: of Fig. 3, also showing the lower surface a and the curved end wall of the cord-slot on the right of Fig. 4 of said breastplate. Fig. 5 is a vertical section of the cordholding disk. Fig. 6 is a plan View of the bottom'of the breastplate turned over, showing more clearly the outward bottom surface forming the oblique base-line of the boss shown in Fig. 4, which is an end view.

In the drawings, A represents the breastplate, B the knotter, and B the cord-supporting finger shown in my former patents. Y

O is the hub or shaft of the cord-holder, to which the flange-supporting arms 0 are secured; C the vertical cord-holding flanges, provided with corrugation 0; C the pressure-shoe; c, ahorizontal cord-holding groove.

at the front base of the flanges O to prevent the escape of the cord as it is pressed in against the shoe.

0 is the knife; I), a cord-guide; a, the depression in the upper surface of the breastplate beneath the knotter; a, the convex raised boss at the outer edge of the depression beneath the knotter-jaw, the same being I slightly higherat its outer end a which is extended across the stubble end of the longitudinal reach of the slot in the breastplate; of, the rounded stop, and a the oblique baseline of the boss.

In Operation, the band being placed around the bundle and across the knotter-jaw in the usual well-known manner and the knotterrevolved, as shown in Fig. 1, the cord is held to a position well up on the jaws and the ends extending to the holder are forced back into the jaws as the cord extending down around the bundle is prevented, by means of stop a on the convex raised boss at beneath the knotter, from escaping outwardly until the knotter has completed its revolution, when tends around the outside of the bundle and against which the pressure of the straw is greatest and also holds up the cord well onto the knotter as it revolves immediately over it in the formation of the knot.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is-

1. In a cord-holder the revolving hub C, provided with the narrow flange-supporting arms 0, and the corrugated cord holding flanges C the supporting-arms secured to the ends of the flanges operating substantially as shown and described.

2. The combination of the narrow flange supporting arm C, the cord-holdingtlange G the supporting-arm secured to the end of the flange, said flange being provided with a knife 0 and the pressure-shoe (3 operating substantially as shown and described.

3. In combination with the knotterrevolv ing over the breastplate, and stopping with its point trending outwardly in the direction of the bundle-discharge, the breastplate, provided with an angular slot and having the depression a located at the reentrant angle of the slot, and the convex raised boss a a at the outer edge of the depression operating substantially as shown and described.

4. In combination with the knotter revolving over the breastplate, and stopping with its point trending outwardly in the direction of the outgoing bundle, the breastplate provided with an angular slot and having the convex raised boss ct at the reentrant angle of the slot terminating in a knob a to receive thereon the strands of cord that are around the bundle, and prevent their escape from the knotter as the latter continues to revolve and grasps the outer ends of the cord that extend to the cord-holder, until said cord is severed by the knife, to insure the ends being drawn through the loop as the discharge of the bundle strips the knot therefrom substantially as shown and described.

5. In combination with the knotter revolv ing over the breastplate, and stopping with its point trending outwardly in the direction of the outgoing bundle,the breastplate provided with an angular slot and having the convex raised boss at the reentrant angle between the longitudinal and oblique reaches of the cord-slot upon the upper side and extending across the outer end of said longitudinal reach and beneath the knotter-shaft, to hold the cord up to the knotter and prevent its escape during the formation of the loop.

6. In combination with the knotter the the knotter revolving over the breastplate and cord-slot.

stoppin with its point trendin outwardly in 7 v the dirzction of the outgoing bundle, the CHARLES (JOLAHAN' raised convex boss therebeneath at the reenl Witnesses:

breastplate provided with an angular slot, I surface adjacent to the oblique reach of fohe l trant angle of the cord-slot, provided with a M. H. COLAHAN, rounded stop and having an inclined lower L. H. OSTERMAN. 

